From: Risk of aortic aneurysm and aortic dissection with the use of fluoroquinolones in Korea: a nested case–control study
Case
Control
Crude OR
Adjusted OR*
N
%
OR
95% CI
Main analysis
Nonusers
21,076
71.1
93,165
78.6
1
–
Users
8562
28.9
25,387
21.4
1.51**
1.47–1.56
1.10**
1.07–1.14